XML 42 R11.htm IDEA: XBRL DOCUMENT v2.4.0.6
Property and Equipment
12 Months Ended
Dec. 31, 2011
Property and Equipment [Abstract]  
Property and Equipment

5. Property and Equipment

Property and equipment consist of the following:

 

                 
     December 31,
2011
    December 31,
2010
 

Equipment

   $ 8,977,623      $ 8,950,043   

Equipment held for lease

     547,416        547,416   

Leasehold improvements

     2,473,880        2,473,880   
                  
       11,998,919        11,971,339   

Less: Accumulated depreciation

     (8,675,063     (8,130,717
                  

Net property and equipment

   $ 3,323,856      $ 3,840,622